Nightmare-like sexual weapons created by the invader tease and push the heroine to a hellish ecstasy. Teasers are: sea anemone with countless thready tentacles, slimy tentacles that rub breasts, tentacles with a tongue to lick inside the vagina, slimy things that move after injected from tentacles, larval insect from outer space that flock to the body and even inside the womb, and more!